There are 7 ways to get from Ko Samui to Phnom Penh by plane, bus, busferry, train, or ferry
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly to Phnom Penh, bus
best- Fly from Koh Samui Airport (USM) to Phnom Penh (KTI)plane USM - KTI
- Take the bus from Techo International Airport to Canadia Gardenbus
6h 44m$200–286Bus and ferry, bus via Bangkok
cheapest- Take the busferry from Koh Samui Nathon Pier to Bangkok Sai Tai Mai Terminalbusferry
- Take the bus from Bangkok to Phnom Penh Virak Buntham Expressbus
26h 38m$52–55Bus and ferry, train, bus
- Take the busferry from Koh Samui Nathon Pier to Surat Thani Train stationbusferry
- Take the train from Surat Thani Train Station to Bang Bamrutrain 32
- Take the bus from Bangkok Mochit Bus Terminal to Phnom Penhbus
26h 16mFerry, bus via Bangkok
- Take the ferry from Koh Samui Transfer to Boonsiri Khao San officeferry Koh Samui Transfer - Boonsiri Khao San office
- Take the bus from Bangkok to Phnom Penh Virak Buntham Expressbus
27h 35m$66–79Fly to Tan Son Nhat International Airport, bus
- Fly from Koh Samui Airport (USM) to Tan Son Nhat International Airport (SGN)plane USM - SGN
- Take the bus from Ho Chi Minh - Sinh Tourist Office to Phnom Penh Cambodia - Sinh Tourist Officebus
12h 23m$213–434Bus and ferry, bus
- Take the busferry from Lipa Noi Pier to Bangkok Rajah Ferry Khao Sanbusferry
- Take the bus from Bangkok Khao San Road to Phnom Penhbus
30h 42m$74Ferry, bus
- Take the ferry from Koh Samui Transfer to Koh Chang Boonsiri Office Bang Bao Pierferry
- Take the ferry from Koh Chang Boonsiri Office Bang Bao Pier to Siem Reap Transferferry
- Take the bus from Siem Reap Virak Buntham Express to Phnom Penhbus
43h 40m$109–153
Ko Samui to Phnom Penh by busferry, foot, and bus
Questions & Answers
The cheapest way to get from Ko Samui to Phnom Penh is to bus and ferry and bus via Bangkok which costs $51 - $55 and takes 26h 38m.
The fastest way to get from Ko Samui to Phnom Penh is to fly and bus which takes 6h 44m and costs $200 - $290.
No, there is no direct bus from Ko Samui to Phnom Penh. However, there are services departing from Koh Samui Nathon Pier and arriving at Phnom Penh Virak Buntham Express via Southern Bus Terminal Bangkok and Bangkok. The journey, including transfers, takes approximately 26h 38m.
The distance between Ko Samui and Phnom Penh is 627 km.
The best way to get from Ko Samui to Phnom Penh without a car is to bus and ferry and train and bus which takes 26h 16m and costs .
It takes approximately 6h 44m to get from Ko Samui to Phnom Penh, including transfers.
Ko Samui to Phnom Penh bus services, operated by Sombat Tour, depart from Koh Samui Nathon Pier station.
Ko Samui to Phnom Penh bus services, operated by Sombat Tour, arrive at Bangkok Sai Tai Mai Terminal station.
There are 466+ hotels available in Phnom Penh.
What companies run services between Ko Samui, Thailand and Phnom Penh, Cambodia?
There is no direct connection from Ko Samui to Phnom Penh. However, you can take the taxi to Koh-Samui-Airport-USM airport, fly to Phnom Penh (KTI), walk to Techo International Airport, then take the bus to Canadia Garden. Alternatively, you can take a vehicle from Koh Samui Nathon Pier to Phnom Penh via Surat Thani Train station, Surat Thani Train Station, Bang Bamru, Krung Thep Aphiwat Central Terminal, ตรงข้ามสวนสมเด็จพระนางเจ้าสิริกิติ์ฯ;Opposite Queen Sirikit Park, หน้าสถานีขนส่งหมอชิต 2;Mo Chit Bus Terminal, and Bangkok Mochit Bus Terminal in around 26h 16m.
- Website
- vietnamairlines.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Suvarnabhumi
- Ave. Duration
- 4h 1m
- When
- Every day
- Estimated price
- $250–550
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Singapore Changi
- Ave. Duration
- 5h 25m
- When
- Every day
- Estimated price
- $180–700
- Website
- bangkokair.com
Flights from Koh Samui Airport to Phnom Penh via Suvarnabhumi
- Ave. Duration
- 3h 55m
- When
- Every day
- Estimated price
- $180–250
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Suvarnabhumi
- Ave. Duration
- 4h 1m
- When
- Every day
- Estimated price
- $250–550
- Website
- singaporeair.com
Flights from Koh Samui Airport to Phnom Penh via Singapore Changi
- Ave. Duration
- 4h 57m
- When
- Every day
- Estimated price
- $190–750
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Singapore Changi
- Ave. Duration
- 5h 31m
- When
- Every day
- Estimated price
- $160–700
- Website
- turkishairlines.com
Flights from Koh Samui Airport to Phnom Penh via Suvarnabhumi
- Ave. Duration
- 5h 17m
- When
- Monday, Thursday, and Saturday
- Estimated price
- $210–850
- Website
- cambodia-airways.com
Flights from Koh Samui Airport to Phnom Penh via Suvarnabhumi
- Ave. Duration
- 3h 37m
- When
- Monday, Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- $85–500
- Website
- thaiairways.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Suvarnabhumi
- Ave. Duration
- 4h 35m
- When
- Every day
- Estimated price
- $180–550
- Website
- flyscoot.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Singapore Changi
- Ave. Duration
- 5h 45m
- When
- Every day
- Estimated price
- $160–360
- Website
- cathaypacific.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Hong Kong
- Ave. Duration
- 6h 55m
- When
- Every day
- Estimated price
- $180–380
- Phone
- 1690
- sarabanklang@railway.co.th
- Website
- dticket.railway.co.th
Train from Surat Thani Train Station to Bang Bamru
- Ave. Duration
- 9h 38m
- Frequency
- Hourly
- Estimated price
- $6–50
- Book at
- https://12go.asia/en/operator/thai-railways
- Website
- https://dticket.railway.co.th/DTicketPublicWeb/home/Home
- 3rd Class (Seat)
- $6–9
- 2nd Class (Air-Conditioned Berth)
- $22–30
- 2nd Class (Air-conditioned Seat)
- $13–18
- 1st Class (Air-Conditioned Berth)
- $35–50
- Phone
- (855) 097 2473 773
- Website
- tourismcambodia.com
Bus from Techo International Airport to Canadia Garden
- Ave. Duration
- 1h
- Frequency
- Every 15 minutes
- Estimated price
- $1
- Schedules at
- tourismcambodia.com
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Busferry from Koh Samui Nathon Pier to Surat Thani Train station
- Ave. Duration
- 2h 20m
- Frequency
- 3 times a day
- Schedules at
- lomprayah.com
- Book at
- lomprayah.com
- Phone
- (+855) 81 911 911
- support@virakbuntham.com
- Website
- vireakbuntham.com
Bus from Bangkok Mochit Bus Terminal to Phnom Penh
- Ave. Duration
- 12h
- Frequency
- 4 times a day
- Estimated price
- $33
- Website
- https://vireakbuntham.com/
Bus from Bangkok to Phnom Penh Virak Buntham Express
- Ave. Duration
- 12h
- Frequency
- Every 4 hours
- Estimated price
- $29–32
- Website
- https://vireakbuntham.com/
Bus from Siem Reap Virak Buntham Express to Phnom Penh
- Ave. Duration
- 6h
- Frequency
- Hourly
- Estimated price
- $12–19
- Website
- https://vireakbuntham.com/
- Phone
- +84 28 38389593
- info@thesinhtourist.vn
- Website
- thesinhtourist.vn
Bus from Ho Chi Minh - Sinh Tourist Office to Phnom Penh Cambodia - Sinh Tourist Office
- Ave. Duration
- 7h
- Frequency
- Hourly
- Estimated price
- $7–11
- Schedules at
- thesinhtourist.vn
- Phone
- +855 23 222 838
- Website
- 12go.asia
Bus from Ho Chi Minh - Sinh Tourist Office to Phnom Penh Cambodia - Sinh Tourist Office
- Ave. Duration
- 6h
- Frequency
- Every 4 hours
- Estimated price
- $27
- Book at
- 12go.asia
- Phone
- +84 28 3837 0969
- Website
- 12go.asia
Bus from Ho Chi Minh - Sinh Tourist Office to Phnom Penh Cambodia - Sinh Tourist Office
- Ave. Duration
- 7h
- Frequency
- Every 4 hours
- Estimated price
- $22
- Book at
- 12go.asia
- Phone
- +66 2 936 3256
- Website
- sombattour.com
Busferry from Koh Samui Nathon Pier to Bangkok Sai Tai Mai Terminal
- Ave. Duration
- 12h 50m
- Frequency
- Twice daily
- Estimated price
- $23
- Book at
- https://12go.asia/en/operator/sombat-tour
- Website
- https://www.sombattour.com/
- Phone
- +66 2 277 4488
- info@rajaferryport.com
- Website
- rajaferryport.com
Busferry from Lipa Noi Pier to Bangkok Rajah Ferry Khao San
- Ave. Duration
- 15h
- Frequency
- Twice daily
- Estimated price
- $35
- Book at
- https://12go.asia/en/operator/raja-ferry
- Website
- https://www.rajaferryport.com/
- Phone
- 02 629 1300
- Website
- 12go.asia
Bus from Bangkok Khao San Road to Phnom Penh
- Ave. Duration
- 14h 35m
- Frequency
- Every 4 hours
- Estimated price
- $39
- Schedules at
- 12go.asia
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- boonsiriferry.com
Ferry from Koh Samui Transfer to Boonsiri Khao San office
- Ave. Duration
- 14h
- Frequency
- Once daily
- Estimated price
- $35–55
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
Ferry from Koh Samui Transfer to Koh Chang Boonsiri Office Bang Bao Pier
- Ave. Duration
- 25h
- Frequency
- Once daily
- Estimated price
- $55–75
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
Ferry from Koh Chang Boonsiri Office Bang Bao Pier to Siem Reap Transfer
- Ave. Duration
- 11h
- Frequency
- Once daily
- Estimated price
- $40–60
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
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